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Ilia_Sergeevich [38]
3 years ago
14

What's 2 + 2 I need to know!!!!!

Mathematics
2 answers:
MAXImum [283]3 years ago
4 0

Answer:

4

Step-by-step explanation:

olganol [36]3 years ago
4 0

Answer:

4

Step-by-step explanation:

You might be interested in
Determine the exact values of all three trigonometric functions of the angle 4.25pi
Margarita [4]

Answer:

Sin (4.25π)= 0.7071

Cos(4.25π)= 0.7071

Tan(4.25π)= 1

Step-by-step explanation:

\pi=180º (half circumference)\\ 2\pi= 360º (complete circumference)\\ 4\pi= 720º (2 complete cincumference\\ 4.25\pi= 720º + 45º (2 complete circumference + 45º)

Sin, Cos and Tan of 45º angle is the same with 1,2 or more circumferences.

So the result is the same for 45º angle.

So:

Sin (45º) = \frac{\sqrt{2} }{2}\\Cos (45º) = \frac{\sqrt{2} }{2}\\ Tan(45º) = 1

3 0
3 years ago
Help please!!!
nekit [7.7K]
The dependent variable depends on the independent do depending on how many bags you buy, the price changes so for 5 bags the price is $15 and for 10 bags the price is $30
7 0
3 years ago
Eight times a number plus five times another number is -13. The sum of the number is 1. What are the nymber?
azamat

Answer:

x=-6   y=7

Step-by-step explanation:

8x+5y=-13; x+y=1

Isolate x and substitute

(-13-5y)/8 +y=1

Isolate y

y=7

substitute y=7

(-13-5*7)/8=-6

7 0
3 years ago
Examine the system of equations. y = –3x – 2, y = 7 The value of x is . The solution to this system of equations is .
joja [24]
Hello!

You can substitute y into the other equation

7 = -3x - 2

Add 2 to both sides

9 = -3x

Divide both sides by -3

-3 = x

The answer is -3

Hope this helps!
3 0
4 years ago
Read 2 more answers
Does anyone know this??
STALIN [3.7K]
Hi there! The answer is C.

Explanation:
We have the following equation:

\frac{8}{15} = \frac{x}{6}
To solve this type of equation (with an x in the denominator of a fraction) we must cross-multiply the numerator and the denominator.

15 \times x = 8 \times 6
Multiply

15x = 40
Divide both sides by 15.

x = \frac{40}{15} = 2 \frac{2}{3}
~ Hope this helps you!
5 0
3 years ago
Read 2 more answers
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